How To Fix CNV_PE_TPM023 - Duplicate records in table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_TPM - Messages within transport management functions

• Message number: 023

• Message text: Duplicate records in table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_TPM023 - Duplicate records in table &1 ?

  The SAP error message CNV_PE_TPM023 indicates that there are duplicate records in a specific table during a data migration or conversion process. This error typically arises in the context of using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer methods.
  Cause:
  The error occurs when the system detects that there are multiple entries in a table that should have unique records. This can happen due to various reasons, including:
  
  Data Quality Issues: The source data may contain duplicates that were not identified or cleaned before the migration.
  Incorrect Mapping: The mapping of fields during the migration process may not be set up correctly, leading to the creation of duplicate entries.
  Configuration Errors: There may be issues in the configuration of the migration project that allow for duplicates to be created.
  
  Solution:
  To resolve the CNV_PE_TPM023 error, you can follow these steps:
  
  
  Identify Duplicate Records:
  
  Use SQL queries or data analysis tools to identify the duplicate records in the specified table. You can use the GROUP BY clause in SQL to find duplicates based on the unique key fields.
  
  
  
  Data Cleansing:
  
  Clean the source data to remove duplicates. This may involve:
  
  Deleting duplicate entries.
  Merging records if necessary.
  Ensuring that the data adheres to the required unique constraints.
  
  
  
  
  
  Review Mapping and Configuration:
  
  Check the mapping configuration in the migration tool to ensure that it is set up correctly and does not inadvertently create duplicates.
  Ensure that the unique constraints are properly defined in the target system.
  
  
  
  Re-run the Migration:
  
  After addressing the duplicates and ensuring the data quality, re-run the migration process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration, including data profiling, cleansing, and validation techniques.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to resolve the CNV_PE_TPM023 error and successfully complete your data migration process.